Log-Pearson Type III Statistics Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05270500 - streamflow gaging station 1-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 63 - non-zero values 0 - zero values 32 - years with missing values (not used) 10.000 27.000 12.000 1.300 7.000 3.600 13.000 17.000 12.000 2.400 38.000 40.000 22.000 30.000 42.000 50.000 36.000 40.000 31.000 35.000 68.000 65.000 77.000 74.000 22.000 58.000 105.000 55.000 43.000 32.000 24.000 48.000 49.000 33.000 53.000 72.000 37.000 40.000 45.000 42.000 86.000 130.000 98.000 67.000 103.000 21.000 46.000 100.000 94.000 22.000 127.000 80.000 202.000 140.000 220.000 77.000 120.000 131.000 77.000 21.000 74.000 110.000 53.000 The following 7 statistics are based on non-zero values: Mean (logs) 1.618 Variance (logs) 0.183 Standard Deviation (logs) 0.428 Skewness (logs) -1.271 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.620 Coefficient of Variation (logs) 0.265 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 1.783 0.0200 50.00 3.031 0.0500 20.00 6.253 0.1000 10.00 11.088 0.2000 5.00 20.360 0.5000 2.00 50.883 0.8000 1.25 95.076 0.9000 1.11 119.351 0.9600 1.04 142.816 0.9800 1.02 155.719 0.9900 1.01 165.528 =============================== Log-Pearson Type III Statistics (based on USGS Program A193) Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05270500 - streamflow gaging station 7-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 63 - non-zero values 0 - zero values 32 - years with missing values (not used) 10.000 30.000 18.000 1.486 9.614 6.329 20.000 26.714 15.000 16.429 52.571 40.000 28.286 33.143 42.000 53.143 36.000 43.714 32.714 37.714 72.857 65.857 78.857 82.429 22.000 58.143 105.000 55.000 44.571 32.143 33.571 48.286 49.000 33.571 75.143 75.571 37.000 42.857 47.714 43.857 93.000 133.571 98.571 67.857 104.857 22.571 50.000 115.429 98.000 22.857 134.286 88.143 202.429 141.000 224.286 79.857 126.429 139.143 79.000 24.571 78.857 113.429 56.143 The following 7 statistics are based on non-zero values: Mean (logs) 1.673 Variance (logs) 0.140 Standard Deviation (logs) 0.374 Skewness (logs) -1.192 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.589 Coefficient of Variation (logs) 0.224 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 3.137 0.0200 50.00 4.915 0.0500 20.00 9.094 0.1000 10.00 14.834 0.2000 5.00 25.020 0.5000 2.00 55.622 0.8000 1.25 97.375 0.9000 1.11 120.126 0.9600 1.04 142.447 0.9800 1.02 155.020 0.9900 1.01 164.820 =============================== Log-Pearson Type III Statistics (based on USGS Program A193) Notice -- Use of Log-Pearson Type III or Pearson-Type III distributions are for preliminary computations. User is responsible for assessment and interpretation. 05270500 - streamflow gaging station 30-day lowflow - lowflow statistic April 1 - start of season March 31 - end of season 1910 - 2004 - time period 63 - non-zero values 0 - zero values 32 - years with missing values (not used) 10.133 31.000 21.767 3.193 10.743 8.280 27.633 37.200 17.033 21.033 76.100 66.100 48.000 46.333 45.600 78.567 36.733 45.533 37.800 48.833 97.900 86.833 91.900 106.700 23.167 59.667 109.500 55.833 46.067 34.167 36.467 50.233 49.733 35.500 105.633 80.333 37.000 54.767 55.000 50.133 128.967 148.333 99.800 72.367 116.933 23.000 71.500 134.033 115.767 79.900 137.500 96.667 206.867 151.433 232.467 96.533 151.467 145.567 81.267 26.500 99.267 127.733 62.133 The following 7 statistics are based on non-zero values: Mean (logs) 1.750 Variance (logs) 0.125 Standard Deviation (logs) 0.353 Skewness (logs) -1.010 Standard Error of Skewness (logs) 0.302 Serial Correlation Coefficient (logs) 0.613 Coefficient of Variation (logs) 0.202 Non-exceedance Recurrence Estimated Probability Interval Streamflow ----------- ---------- --------- 0.0100 100.00 4.796 0.0200 50.00 7.099 0.0500 20.00 12.215 0.1000 10.00 18.914 0.2000 5.00 30.405 0.5000 2.00 64.307 0.8000 1.25 112.258 0.9000 1.11 140.281 0.9600 1.04 169.935 0.9800 1.02 188.024 0.9900 1.01 203.126